>> as i write in the book he did that after the election in 2010. he brought in bill daly, made some other changes. he didn't like the effect, the impact. he's gone back to chief of staff, as ruth said, who is a very good friend of his, national security adviser is very good friend of his. other presidents had friends around them. to shake things up, to get the agenda moving again, to get a sense of a new amount of energy, i think he probably does have to make some personnel changes but i wouldn't hold my breath for them. like george bush, when barack obama is told washington thinks people on cable tv think he should do things, he's less inclined and to stick with the people he knews and management structure he's comfortable with. >> if you take a look at this team, if they weren't his good friends, would they have these jobs? are they the best there is? >> well, i think you could ask that about a lot of presidents. presidents need to have people around them who are loyal but they also need people around them who are capable. i think to some extent